java-org.hwo/src/org/hwo/StringHelper.java

84 lines
1.7 KiB
Java

package org.hwo;
import java.awt.event.TextEvent;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
public class StringHelper {
public static String join(String[] c,String del)
{
return join( Arrays.asList(c),del);
}
public static String join(float[] c,String del)
{
StringBuilder sb = new StringBuilder();
FloatIterator iter = new FloatIterator(c);
while (iter.hasNext())
{
sb.append(iter.next());
if (!iter.hasNext())
break;
sb.append(del);
}
return sb.toString();
}
public static String join(String format,float[] c,String del)
{
StringBuilder sb = new StringBuilder();
FloatIterator iter = new FloatIterator(c);
while (iter.hasNext())
{
sb.append(String.format(format,iter.next()));
if (!iter.hasNext())
break;
sb.append(del);
}
return sb.toString();
}
public static String join(Collection<?> c,String del)
{
StringBuilder sb = new StringBuilder();
Iterator<?> iter = c.iterator();
while (iter.hasNext())
{
sb.append(iter.next());
if (!iter.hasNext())
break;
sb.append(del);
}
return sb.toString();
}
public static String fromCharacters(Character[] chars){
char[] chs = new char[chars.length];
for (int i=0;i<chars.length;i++)
chs[i] = chars[i].charValue();
return new String(chs);
}
public static byte[] toCString(String s){
byte[] b = new byte[ s.length() + 1];
for (int i=0;i<s.length();i++)
b[i] = (byte)s.charAt(i);
b[s.length()] = 0x00;
return b;
}
public static String fromCString(byte[] bytes){
char[] c = new char[bytes.length-1];
for (int i=0;i<c.length-1;i++)
c[i] = (char)bytes[i];
return new String(c);
}
}